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x2+18x+87=5
We move all terms to the left:
x2+18x+87-(5)=0
We add all the numbers together, and all the variables
x^2+18x+82=0
a = 1; b = 18; c = +82;
Δ = b2-4ac
Δ = 182-4·1·82
Δ = -4
Delta is less than zero, so there is no solution for the equation
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